Convert property to function: fix incorrectly conversion when property has explicit generic type

#KT-29192 Fixed

idea/src/org/jetbrains/kotlin/idea/intentions/ConvertPropertyToFunctionIntention.kt

@@ -75,6 +75,11 @@ class ConvertPropertyToFunctionIntention : SelfTargetingIntention<KtProperty>(Kt
                         .first { it !is PsiWhiteSpace }
                         .nextSibling
                     property.deleteChildRange(dropPropertyFrom, getter.prevSibling)
+
+                    val typeReference = property.typeReference
+                    if (typeReference != null) {
+                        property.addAfter(psiFactory.createWhiteSpace(), typeReference)
+                    }
                 }
             }
             property.setName(newName)

idea/testData/intentions/convertPropertyToFunction/expressionBodyWithGenericType.kt

@@ -0,0 +1,6 @@
+class Test {
+    val <caret>foo: Foo<String>
+        get() = Foo()
+}
+
+class Foo<T>

idea/testData/intentions/convertPropertyToFunction/expressionBodyWithGenericType.kt.after

@@ -0,0 +1,5 @@
+class Test {
+    fun getFoo(): Foo<String> = Foo()
+}
+
+class Foo<T>

idea/tests/org/jetbrains/kotlin/idea/intentions/IntentionTestGenerated.java

@@ -6614,6 +6614,11 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
             runTest("idea/testData/intentions/convertPropertyToFunction/expressionBody.kt");
         }
 
+        @TestMetadata("expressionBodyWithGenericType.kt")
+        public void testExpressionBodyWithGenericType() throws Exception {
+            runTest("idea/testData/intentions/convertPropertyToFunction/expressionBodyWithGenericType.kt");
+        }
+
         @TestMetadata("initializer.kt")
         public void testInitializer() throws Exception {
             runTest("idea/testData/intentions/convertPropertyToFunction/initializer.kt");